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30 November, 1999
2.2.11 FUSING
Fusing Lamp Control
During printing, the machine keeps the fusing temperature at 170°C. If the printing
operation continues for more than 3 minutes, the machine keeps the fusing
temperature at 160°C.
When the Energy Saver Key is pressed or the energy saver timer expires, the
machine goes into an energy saver mode. In Level 2 Energy Saver Mode (2-watt
Energy Saver Mode), the fusing lamp shuts off. For Energy Saver Mode Level 1,
the user can select whether to keep the fusing lamp off or at 80°C.
Cross Reference
Energy Saver Modes: Section 2-3
Points to Note:
• Standby temperature: Room temperature (2 watt-Energy Saver Mode), 80 °C
if users select 'Fusing Lamp On'
• Printing temperature: 170 °C, falling back to 160 °C after 3 minutes
If the initial lamp temperature is over 120 °C before printing, the printing
temperature is 160 °C.
• Thermistor maximum: 250 °C (monitored by a comparator)
• Thermostat maximum: 150 °C (the temperature of the hot roller would be
about 400 °C)
• Thermofuse maximum: 169 °C (the temperature of the hot roller would be
about 400 °C) - The thermofuse is not used in USA models.
170 ºC
160 ºC
145 ºC
80ºC
Fusing
O N
O F F
R o o m T e m p .
5 minutes (=Power saver timer)
3 minutes
Print Start
2-23
PRINTING
80 ºC or
Room Temp.
H545D538.WMF
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